Multiple Assemblies exist for SMTL entry 4lkg
The structure of hemagglutinin from a avian-origin H7N9 influenza virus (A/Shanghai/1/2013) in complex with avian receptor analog 3'SLNLN; X-RAY DIFFRACTION 2.99 Å

	SMTL ID 4lkg.1 Ligands N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose; 2-acetamido-2-deoxy-beta-D-glucopyranose Polypeptides hemagglutinin; hemagglutinin Oligo-state hetero-3-3-mer
	SMTL ID 4lkg.2 Ligands N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose; 2-acetamido-2-deoxy-beta-D-glucopyranose Polypeptides hemagglutinin; hemagglutinin Oligo-state hetero-3-3-mer
	SMTL ID 4lkg.3 Ligands N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose; 2-acetamido-2-deoxy-beta-D-glucopyranose Polypeptides hemagglutinin; hemagglutinin Oligo-state hetero-3-3-mer